Service difficulty report · Pipe · Diamon DA20A1

Difficulty date
January 6, 2011
Submitted
March 15, 2011
Operation
Air carrier
Make and model
Diamon DA20A1
Aircraft time
5,969 hours
Engine
Rotax ROTAX912F3
Propeller
Hofman HOV352F
Part
Pipe
Part number
2072000002
Condition
Worn
Location
Engine Cooling
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING ROUTINE INSPECTION, IT WAS NOTICED THAT THE SPRINGS, WHICH HOLD THE EXHAUST MUFFLER ON, WERE RUBBING AGAINST THE RIGHT RADIATOR PIPE. PIPE WAS REMOVED FOR FURTHER INSPECTION, AS IT IS IN A DIFFICULT AREA TO SEE AND IT WAS FOUND TO BE ALMOST CHAFED RIGHT THROUGH THE WALL OF THE PIPE, WHICH WOULD HAVE CAUSED LOSS OF COOLANT HAD IT WORN ALL THE WAY THROUGH. THIS IS THE 3RD AIRCRAFT OF THIS MODEL TO BE FOUND WITH WEAR IN THIS IDENTICAL LOCATION.

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